<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
<div id="app">
<!--  1.选择一个-->
  <select name="abc" v-model="fruit">
    <option value="苹果">苹果</option>
    <option value="香蕉">香蕉</option>
    <option value="榴莲">榴莲</option>
    <option value="葡萄">葡萄</option>
  </select>
  <h2>您选择的水果是：{{fruit}}</h2>

<!--  2.选择多个-->
  <select name="abc" v-model="fruits">
    <option value="苹果">苹果</option>
    <option value="香蕉">香蕉</option>
    <option value="榴莲">榴莲</option>
    <option value="葡萄">葡萄</option>
  </select>
  <h2>您选择的水果是：{{fruit}}</h2>
</div>
  <script src="../../js/vue.js"></script>
  <script>
    const app = new Vue({
      el:'#app',
      data:{
        fruit:'榴莲',
        fruits:[]
      }
    })
  </script>
</body>
</html>